Seiko Cal. 4597 - 220

The Seiko 4597-220 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-60d61696692f]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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